Wi-Fi cable modem


What’s in the box

Status indicators

Front panel LEDs
Amber (Solid) – Power is connected Green (Blinking) – Acquiring downstream/ upstream connection Green (Solid) – Online status in DOCSIS 3.0 mode Blue (Solid) – Online status in DOCSIS 3.1 mode Amber (Blinking) – Firmware download

Note: Detailed LED status information is available online in the G34/G36 User Guide on the ARR15 Support website, www.arris.com/selfhelp.

This SURFboard device is a combination of a DOCSIS 3.1 cable modem and four-port Ethernet router with Wi-Fi. It uses DOCSIS 3.1 technology to provide ultra-high-speed Internet access on your Wi-Fi home or small business network. Using the connection capabilities of the Wi-Fi cable modem, you can connect your computer and other network-enabled devices via the four Ethernet ports or the 2.4 GHz and 5 Ghz Wi-Fi connections. The Wi-Fi cable modem connects to the existing coaxial cable connection in your home.
Note: For Internet connections, you need a cable service connection (coaxial cable line) with a cable Internet Service Provider. The G34/G36 will not operate with a Digital Subscriber Line service (DSL) or Satellite Internet service.

Get started

A Connect the coaxial cable (not included) from the cable wall outlet or RF splitter (not included) to the Cable connector on the rear of your Wi-Fi cable modem.

B Connect an Ethernet cable (not included) to any Ethernet port on the rear of your Wi-Fi cable modem and the Ethernet port on your PC or laptop.

C Connect the power adapter to the Power port on the rear of your Wi-Fi cable modem, then plug it into an electrical wall outlet that is not controlled by a wall switch to power on your Wi-Fi cable modem.

Your Wi-Fi cable modem will automatically power ON when the power adapter is connected.
D Check the front panel LED on your Wi-Fi cable modem. After a brief pause, the LED should light up SOLID green or SOLID blue.

The model name (G34/G36), HFC MAC ID, and the serial number (S/N) are listed on the Wi-Fi cable modem label. Activate your new Wi-Fi cable modem; choose one of the following options:

  • Call your cable service provider.
  • Connect to your cable operator’s activation website using your computer or laptop: Power ON your computer or laptop and login. Enter your service provider’s web browser URL:
  • Comcast/Xfinity: www.xfinitv.com/activate
  • Cox: www.cox.com/activate
  • Spectrum: spectrum.net/selfinstall

Note: If you have any trouble accessing the URL, please contact your service provider.
Verify your Wi-Fi cable modem connectivity by accessing the Internet using the connected PC or laptop.

Visit any public web page such as www.surfboard.com. If the website fails to open, please contact your service provider to set up your Internet service or activate your Wi-Fi cable modem.

Set Up Your Wi-Fi Network Connection

3.1 Connect using your mobile device
Connect using your mobile device
toast TT200B POS System - ICON1 Some of the selections used in this procedure may vary slightly depending on your mobile device and operating system. Please make sure to select the most applicable selections on your mobile device.

A Access the Settings screen on your mobile device and then select: Wi-Fi, Wireless, or Connections. Check that Wi-Fi or Wireless is set to ON. For Apple devices, you may have to enter a password and then select JOIN.

B Select the G34 or G36 Wi-Fi network from the list of available Wi-Fi networks.

Enter your Wi-Fi network password in the Password field and select Join or Connect.
Note: If you are setting up the Wi-Fi connection for the first time, use the default Wi-Fi password listed on the Wi-Fi cable modem label.

ARRIS-icon3 Web Manager

A Manage your G34 or G36 using the Web Manager. Open a web browser (e.g., Internet Explorer, Google Chrome, etc.) on your connected computer or laptop, and then type in the address bar.
The default login is case-sensitive. Username: admin Password: password
Change the default Web Manager password located on the Gateway > Login screen and then click LOGIN to update your password.
B Customize the default Wi-Fi network name or SSID (ARRIS-####) for your Wi-Fi home network after installing your Wi-Fi cable modem and setting up your network connection(s). Note: You have the option to either keep the default Wi-Fi network name or create a new network name to help you easily identify your Wi-Fi home network.
For additional assistance with your Wi-Fi cable modem, ARRIS is available to help. Choose one of the following:

  • Visit www.arris.com/selfhelp for Self Help, FAQs, Product Manuals, Live Chat, and Email support
  • Call us at 1-877-466-8646.

Wi-Fi cable modem label
If the label is not attached, please check the bottom of your Wi-Fi cable modem.

© 2020 CommScope, Inc. All rights reserved. ARRIS and the ARRIS Logo are trademarks of CommScope, Inc. and/or its affiliates. All other trademarks are the property of their respective owners. No part of this content may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from CommScope, Inc. and/or its affiliates (“CommScope”).
CommScope reserves the right to revise or change this content from time to time without obligation on the part of CommScope to provide notification of such revision or change. CommScope provides this content without warranty of any kind, implied or expressed, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. CommScope may make improvements or changes in the products or services described in this content at any time. The capabilities, system requirements, and/or compatibility with third-party products described herein are subject to change without notice.

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Documents / Resources

ARRIS G34 WiFi Cable Modem [pdf] User Guide
G36, UID-G36, UIDG36, G34, G36, WiFi Cable Modem


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